Laminated Core, Rotary Electric Machine, And Manufacturing Method For

Laminated Core, Rotary Electric Machine, And Manufacturing Method For Laminated Core

Abstract: In this laminated core, a plurality of annular thin pieces made of an Fe-based amorphous alloy having an amorphous structure is laminated in the thickness direction thereof, and the ratio (W?/Wr) of iron loss W? in the circumferential direction to iron loss Wr in the radial direction, which is orthogonal to the circumferential direction and the thickness direction of the thin pieces, is less than 1.0.

Patent Information

Application #

Filing Date

07 August 2025

Publication Number

38/2025

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

NIPPON STEEL CORPORATION

6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Inventors

1. HIRAYAMA Ryu

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

2. SATO Shinya

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Specification

Documents

Application Documents

#	Name	Date
1	202517075208-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [07-08-2025(online)].pdf	2025-08-07
2	202517075208-STATEMENT OF UNDERTAKING (FORM 3) [07-08-2025(online)].pdf	2025-08-07
3	202517075208-REQUEST FOR EXAMINATION (FORM-18) [07-08-2025(online)].pdf	2025-08-07
4	202517075208-PROOF OF RIGHT [07-08-2025(online)].pdf	2025-08-07
5	202517075208-PRIORITY DOCUMENTS [07-08-2025(online)].pdf	2025-08-07
6	202517075208-POWER OF AUTHORITY [07-08-2025(online)].pdf	2025-08-07
7	202517075208-FORM 18 [07-08-2025(online)].pdf	2025-08-07
8	202517075208-FORM 1 [07-08-2025(online)].pdf	2025-08-07
9	202517075208-DRAWINGS [07-08-2025(online)].pdf	2025-08-07
10	202517075208-DECLARATION OF INVENTORSHIP (FORM 5) [07-08-2025(online)].pdf	2025-08-07
11	202517075208-COMPLETE SPECIFICATION [07-08-2025(online)].pdf	2025-08-07